From the tests at the race track, I got some very good suggestions to improve usability. Usability also needs to be tested, if you want to improve it. Ultimately, we want to produce maximum fun with our lap counter and not the opposite. With a few additions we actually achieved that.
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0:00 Teaser - Usability
0:17 Overview - why Updates?
2:15 Improving Usability by HW Buttons
3:53 The Code
5:20 PIN Assignment & Internal Pull Up
6:41 Summary
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Lap Counter:
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